| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | serve as [art] [adj] [noun sg] | 297 |
|
| 2 | serve as a [adj] [noun sg] | 261 |
|
| 3 | serve as a [adj] [noun sg] | 213 |
|
| 4 | serve as [art] [adj] [noun sg] | 74 |
|
| 5 | serves as [art] [adj] [noun sg] | 70 |
|
| 6 | served as [art] [adj] [noun sg] | 49 |
|
| 7 | serve as an [adj] [noun sg] | 48 |
|
| 8 | served as [art] [adj] [noun sg] | 39 |
|
| 9 | serve as the [adj] [noun sg] | 36 |
|
| 10 | serve as the [adj] [noun sg] | 36 |
|
| 11 | to serve as [art] [adj] [noun sg] | 33 |
|
| 12 | serve as [art] useful [noun sg] | 31 |
|
| 13 | serve as [art] [adj] [noun sg] | 18 |
|
| 14 | serve as [art] [adj] reminder | 15 |
|
| 15 | serving as [art] [adj] [noun sg] | 14 |
|
| 16 | serve as [art] [adj] example | 8 |
|
| 17 | serve as [art] [adj] control | 7 |
|
| 18 | serve as [art] [adj] guide | 7 |
|
| 19 | serve as [art] [adj] source | 6 |
|
| 20 | serve as [art] valuable [noun sg] | 6 |
|
| 21 | serve as [art] powerful [noun sg] | 6 |
|
| 22 | serve as [art] excellent [noun sg] | 5 |
|
| 23 | serve as [art] [adj] focus | 5 |
|
| 24 | serve as [art] main [noun sg] | 5 |
|
